Islam's shrine at Mecca displays a Black Stone believed to have fallen from heaven. See more in this scene from Season 3, Episode 3, "Aliens and Sacred Places." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The HISTORY Channel ...

Due to warfare, instability, and inaccessibility--there are specific regions of the world that are off-limits to exploration. See more in Season 10, Episode 10, "The Forbidden Zones." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows ...

These mysterious formations have been appearing in farmer's fields for centuries. See more in this #Short from Season 19, Episode 2, "The Crop Circle Code." Watch all new episodes of Ancient Aliens, Fridays, at 9/8c, and next day on The HISTORY Channel website at http://history.com/schedule. ...

Earth is home to 10 quintillion insects. In cultures throughout the world, insects have been honored, feared and even revered as gods. See more in Season 7, Episode 7, "Aliens and Insects." Watch all new episodes of Ancient Aliens, Fridays, at 9/8c, and next day on The HISTORY Channel website ...

Sealed vaults possessing a strange and deadly curse, mysterious relics believed to be under otherworldly protection, and riches so priceless, it has cost men their lives. See more in Season 7, Episode 4, "Treasures of the Gods." Watch all new episodes of Ancient Aliens, Fridays, at 9/8c, and ...

Ancient Astronaut Theorists raise new theories surrounding how solid the moon really is. See more in this clip from "Aliens and Outer Space." Watch all new episodes of Ancient Aliens, Fridays, at 9/8c, and next day on The HISTORY Channel website at http://history.com/schedule. #AncientAliens ...

Could extraterrestrials be hiding amongst us in animal form? Check out this scene from Season 1, Episode 2, "Aliens and Strange Creatures." Watch all new episodes of Ancient Aliens, Fridays, at 9/8c, and next day on The HISTORY Channel website at http://history.com/schedule. #AncientAliens ...

Construction workers unearth evidence of a long-lost civilization in China. See more in this clip from "Aliens and Lost Civilizations." Watch all new episodes of Ancient Aliens, Fridays, at 9/8c, and next day on The HISTORY Channel website at http://history.com/schedule. #AncientAliens ...

Legends from around the world speak of sacred entryways to the land of the gods. Gates that allowed instant passage not just beyond the confines of Earth, but beyond space and time. See more in Season 7, Episode 1, "Aliens and Stargates." #AncientAliens Watch all new episodes of Ancient ...

The Ark of the Covenant is one of the most sought after religious relics of all times and far more than just a box that contained the Ten Commandments. See more in Season 6, Episode 10, "Aliens and the Lost Ark." #AncientAliens Watch all new episodes of Ancient Aliens, Friday, January 6th, ...

The U.S. government finally admits to the existence of UFOs. See more in this clip from "Aliens and the United States." #AncientAliens Watch all new episodes of Ancient Aliens, Friday, January 6th, at 9/8c, and next day on The HISTORY Channel website at http://history.com/schedule. Subscribe ...

The US Navy announces new guidelines that bring new UFO sightings to light. See more in this clip from "Aliens and the United States." #AncientAliens Watch all new episodes of Ancient Aliens, Friday, January 6th, at 9/8c, and next day on The HISTORY Channel website at ...